B1412-09 Quiescent Relay Box - Component failures: Action
- Refer to the electrical circuit diagrams and check the quiescent current control module power and ground circuits for open circuit, high resistance. Repair circuit as required
- If fault persists, refer to the electrical circuit diagrams and check the LIN 1 bus circuit between the gateway module and the quiescent current control module for short circuit to ground, short circuit to power, open circuit, high resistance. Repair circuit as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new quiescent current control module